ASN AS12639 is an Autonomous System Number used to identify a network for BGP internet routing.

Who manages ASN AS12639?

AS12639 is listed under MARKASON LTD.

What do peers, upstreams, and downstreams mean in ASN data?

Peers are lateral network interconnections, upstreams are transit providers, and downstreams are customer networks receiving connectivity.

What are routes and IP ranges for an ASN?

Routes and IP ranges are the network prefixes announced by the ASN on the internet and show the address space it originates.

Why is WHOIS data shown for an ASN?

WHOIS data provides registration and contact context for ASN ownership, administration, and operational reference.

How can I access the full ASN tables?

The page shows a preview of large ASN datasets. Use the page controls to load more rows, and upgrade to a paid plan for complete access.

AS12639 MARKASON LTD | IPGeolocation.io

ASN Lookup Tool

MARKASON LTD modnakasta.ua

UA 3 Routes

AS Data

AS12639

AS12639 – MARKASON LTD

AS Number	12639
AS Name	MARKASON-AS
Organization	MARKASON LTD(org-ml177-ripe)
Country	UA
Website	modnakasta.ua
Number of IPv4 Routes	3
Number of IPv6 Routes	0
ASN type	BUSINESS
Allocation Status	ASSIGNED
Registry	RIPE
Date Allocated	2011-09-21

ASN Intelligence API for production workflows

Use ASN data for AS12639 in automation: routing intelligence, peering analysis, ownership checks, and network observability.

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IP Ranges

Route	Origin	Origin Name	ISP	# IPs
91.231.99.0/24	AS12639	MARKASON LTD	MARKASON LTD	256
194.31.248.0/24	AS12639	MARKASON LTD	MARKASON LTD	256
194.31.249.0/24	AS12639	MARKASON LTD	MARKASON LTD	256

Raw Whois Response

% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html

% Note: this output has been filtered.
%       To receive output for a database update, use the "-B" flag.

% Information related to 'AS12557 - AS13223'

as-block:       AS12557 - AS13223
descr:          RIPE NCC ASN block
remarks:        These AS Numbers are assigned to network operators in the RIPE NCC service region.
mnt-by:         RIPE-NCC-HM-MNT
created:        2018-11-22T15:27:24Z
last-modified:  2018-11-22T15:27:24Z
source:         RIPE

% Information related to 'AS12639'

% Abuse contact for 'AS12639' is 'abuse@modnakasta.ua'
% Abuse-mailbox validation failed. Please refer to ORG-LW50-RIPE for further information.

aut-num:        AS12639
as-name:        MARKASON-AS
org:            ORG-ML177-RIPE
import:         from AS12963 action pref=100; accept ANY
export:         to AS12963 announce AS12639
import:         from AS44600 action pref=100; accept ANY
export:         to AS44600 announce AS12639
admin-c:        TV3640-RIPE
tech-c:         TV3640-RIPE
status:         ASSIGNED
mnt-by:         RIPE-NCC-END-MNT
mnt-by:         MARKASON-MNT
created:        2011-09-21T09:36:53Z
last-modified:  2023-06-01T11:21:44Z
source:         RIPE
sponsoring-org: ORG-LW50-RIPE

organisation:   ORG-ML177-RIPE
org-name:       MARKASON LTD
country:        UA
org-type:       other
address:        UA, 02121, Kyiv, Kharkivske Highway, 201-203
admin-c:        OS5072-RIPE
phone:          +380442226666
abuse-c:        AR29060-RIPE
mnt-ref:        MARKASON-MNT
mnt-by:         MARKASON-MNT
created:        2011-09-19T22:15:25Z
last-modified:  2022-12-01T16:37:31Z
source:         RIPE # Filtered

person:         Tarakhan Vladimir
address:        UA, 02121, Kyiv, Kharkivske Highway, 201-203
phone:          +380443555555
nic-hdl:        TV3640-RIPE
mnt-by:         MARKASON-MNT
created:        2021-08-31T08:56:40Z
last-modified:  2021-08-31T14:58:22Z
source:         RIPE # Filtered

% This query was served by the RIPE Database Query Service version 1.121.2 (SHETLAND)

Parsed Whois Response

{
  "status" : true,
  "whois_server" : "whois.ripe.net",
  "as_blocks" : [ {
    "as_block" : "AS12557 - AS13223",
    "description" : [ "RIPE NCC ASN block" ],
    "remarks" : [ "These AS Numbers are assigned to network operators in the RIPE NCC service region." ],
    "mnt_by" : [ "RIPE-NCC-HM-MNT" ],
    "date_created" : "2018-11-22",
    "date_updated" : "2018-11-22",
    "source" : "RIPE"
  } ],
  "aut_nums" : [ {
    "aut_num" : "AS12639",
    "as_name" : "MARKASON-AS",
    "status" : "ASSIGNED",
    "import" : [ "from AS12963 action pref=100; accept ANY", "from AS44600 action pref=100; accept ANY" ],
    "export" : [ "to AS12963 announce AS12639", "to AS44600 announce AS12639" ],
    "organization" : "ORG-ML177-RIPE",
    "sponsoring_organization" : "ORG-LW50-RIPE",
    "admin_contacts" : [ "TV3640-RIPE" ],
    "tech_contacts" : [ "TV3640-RIPE" ],
    "mnt_by" : [ "RIPE-NCC-END-MNT", "MARKASON-MNT" ],
    "date_created" : "2011-09-21",
    "date_updated" : "2023-06-01",
    "source" : "RIPE"
  } ],
  "organization" : {
    "handle" : "ORG-ML177-RIPE",
    "name" : "MARKASON LTD",
    "type" : "other",
    "address" : [ "UA, 02121, Kyiv, Kharkivske Highway, 201-203" ],
    "street" : "Kharkivske Highway 201-203",
    "city" : "Kyiv",
    "zip_code" : "02121",
    "country" : [ "UA" ],
    "phone" : [ "+380442226666" ],
    "admin_contacts" : [ "OS5072-RIPE" ],
    "abuse_contacts" : [ "AR29060-RIPE" ],
    "mnt_ref" : [ "MARKASON-MNT" ],
    "mnt_by" : [ "MARKASON-MNT" ],
    "date_created" : "2011-09-19",
    "date_updated" : "2022-12-01",
    "source" : "RIPE",
    "addressCountry" : "UA"
  },
  "administrative_contacts" : [ {
    "handle" : "TV3640-RIPE",
    "name" : "Tarakhan Vladimir",
    "address" : [ "UA, 02121, Kyiv, Kharkivske Highway, 201-203" ],
    "street" : "Kharkivske Highway 201-203",
    "city" : "Kyiv",
    "zip_code" : "02121",
    "country" : "UA",
    "phone" : [ "+380443555555" ],
    "mnt_by" : [ "MARKASON-MNT" ],
    "date_created" : "2021-08-31",
    "date_updated" : "2021-08-31",
    "source" : "RIPE",
    "addressCountry" : "UA"
  } ],
  "technical_contacts" : [ {
    "handle" : "TV3640-RIPE",
    "name" : "Tarakhan Vladimir",
    "address" : [ "UA, 02121, Kyiv, Kharkivske Highway, 201-203" ],
    "street" : "Kharkivske Highway 201-203",
    "city" : "Kyiv",
    "zip_code" : "02121",
    "country" : "UA",
    "phone" : [ "+380443555555" ],
    "mnt_by" : [ "MARKASON-MNT" ],
    "date_created" : "2021-08-31",
    "date_updated" : "2021-08-31",
    "source" : "RIPE",
    "addressCountry" : "UA"
  } ]
}

Peers

AS Number	Description	Country
AS12963	SCIENTIFIC INDUSTRIAL FIRM VOLZ LIMITED LIABILITY COMPANY	UA
AS44600	"GIGATRANS UKRAINE", LLC	UA
AS12963	"SCIENTIFIC-INDUSTRIAL FIRM "VOLZ" LIMITED LIABILITY COMPANY	UA
AS44600	GIGATRANS UKRAINE, LLC	UA

Upstreams

AS Number	Description	Country
AS12963	SCIENTIFIC INDUSTRIAL FIRM VOLZ LIMITED LIABILITY COMPANY	UA
AS44600	GIGATRANS UKRAINE, LLC	UA